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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Peter Huewe <peterhuewe@gmx.de>
Cc: linux-security-module@vger.kernel.org,
	Stefan Berger <stefanb@linux.vnet.ibm.com>,
	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
	Marcel Selhorst <tpmdd@selhorst.net>,
	Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
	tpmdd-devel@lists.sourceforge.net (moderated list:TPM DEVICE
	DRIVER), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 2/2] tpm_crb: fix address space of the return pointer in crb_map_res()
Date: Fri, 17 Jun 2016 16:39:29 +0200	[thread overview]
Message-ID: <1466174369-7140-3-git-send-email-jarkko.sakkinen@linux.intel.com> (raw)
In-Reply-To: <1466174369-7140-1-git-send-email-jarkko.sakkinen@linux.intel.com>

When running make C=2 M=drivers/char/tpm/

  CHECK   drivers/char/tpm//tpm_crb.c
drivers/char/tpm//tpm_crb.c:248:31: warning: incorrect type in return expression (different address spaces)
drivers/char/tpm//tpm_crb.c:248:31:    expected void [noderef] <asn:2>*
drivers/char/tpm//tpm_crb.c:248:31:    got void *

Fixes: 1bd047be37d9 ("tpm_crb: Use devm_ioremap_resource")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 drivers/char/tpm/tpm_crb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 1547636..1b8e1b5 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -245,7 +245,7 @@ static void __iomem *crb_map_res(struct device *dev, struct crb_priv *priv,
 
 	/* Detect a 64 bit address on a 32 bit system */
 	if (start != new_res.start)
-		return ERR_PTR(-EINVAL);
+		return (void __iomem *) ERR_PTR(-EINVAL);
 
 	if (!resource_contains(io_res, &new_res))
 		return devm_ioremap_resource(dev, &new_res);
-- 
2.7.4

  parent reply	other threads:[~2016-06-17 14:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-17 14:39 [PATCH 0/2] Fixes for sparse reported warnings Jarkko Sakkinen
2016-06-17 14:39 ` [PATCH 1/2] tpm_vtpm_proxy: fix address space of a user pointer in vtpmx_fops_ioctl() Jarkko Sakkinen
2016-06-17 14:39 ` Jarkko Sakkinen [this message]
2016-06-17 14:43   ` [PATCH 2/2] tpm_crb: fix address space of the return pointer in crb_map_res() Stefan Berger
2016-06-18 12:20 ` [PATCH 0/2] Fixes for sparse reported warnings Jarkko Sakkinen

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